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Regular expression to allow spaces between words
...ows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
15 Answers
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How do I write unit tests in PHP? [closed]
I've read everywhere about how great they are, but for some reason I can't seem to figure out how exactly I'm supposed to test something. Could someone perhaps post a piece of example code and how they would test it? If it's not too much trouble :)
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In Scala, what exactly does 'val a: A = _' (underscore) mean?
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val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: error: unbound placeholder parameter
val a: String = _
^
What does work is var a: A = _ (note var instead of val). As Chuck says in ...
When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
Algorithm to detect corners of paper sheet in photo
...orners of an invoice/receipt/sheet-of-paper in a photo? This is to be used for subsequent perspective correction, before OCR.
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Create singleton using GCD's dispatch_once in Objective-C
...the low-level details can give you insights into powerful new ways to transform Objective-C.
Refer here: instancetype
+ (instancetype)sharedInstance
{
static dispatch_once_t once;
static id sharedInstance;
dispatch_once(&once, ^
{
sharedInstance = [self new];
}); ...
How to tell if a tag failed to load
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There is no error event for the script tag. You can tell when it is successful, and assume that it has not loaded after a timeout:
<script type="text/javascript" onload="loaded=1" src="....js"></script>
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How can I strip all punctuation from a string in JavaScript using regex?
...#!$%\^&\*;:{}=\-_`~()@\+\?><\[\]\+]/g, ''). If anyone is looking for a yet-slightly-more-complete set.
– timmfin
Jan 24 '14 at 18:27
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SQLAlchemy IN clause
...conn.execute(s, id_list=tuple(id_list)).fetchall()
Hope everything works for you.
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Remove not alphanumeric characters from string
... underscores use e.g.:
input.replace(/[^0-9a-z]/gi, '')
The input is malformed
Since the test string contains various escaped chars, which are not alphanumeric, it will remove them.
A backslash in the string needs escaping if it's to be taken literally:
"\\test\\red\\bob\\fred\\new".replace(/\...